-1.66% is the change from 843 to 829
Calculation steps:
[( 829 - 843 ) ÷ 843] x 100 = -1.66%
Formula
Percentage change = [(829 - 843) / 843] x 100
Subtract the new number by the original number
829 - 843 = -14
-14 ÷ 843 = -0.0166073546856465
-0.0166073546856465 x 100 = -1.66%